Pith Number

pith:2D3VBSJR

pith:2015:2D3VBSJRJKMU4KTELVDL6CWOSB

not attested not anchored not stored refs pending

Four-dimensional signalling schemes - Application to satellite communications

Jens Krause, Lionel Arend, Michel Marso, Ray Sperber

arxiv:1511.04557 v1 · 2015-11-14 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2D3VBSJRJKMU4KTELVDL6CWOSB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:26:52.337989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f750c9314a994e2a645d46bf0ace9074c6c25a529a8a1918f72f4152b726b6

Aliases

arxiv: 1511.04557 · arxiv_version: 1511.04557v1 · doi: 10.48550/arxiv.1511.04557 · pith_short_12: 2D3VBSJRJKMU · pith_short_16: 2D3VBSJRJKMU4KTE · pith_short_8: 2D3VBSJR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2D3VBSJRJKMU4KTELVDL6CWOSB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d0f750c9314a994e2a645d46bf0ace9074c6c25a529a8a1918f72f4152b726b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be2ab68ea2cacb5847b62d7192372b29f87ef1b7a168be99b12e5b65f94fd06e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-11-14T12:55:03Z",
    "title_canon_sha256": "28653a0a414cc9c500191b20db1b842bff13313ce566d7828d24cb38aa634e5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04557",
    "kind": "arxiv",
    "version": 1
  }
}